Chucks or sockets – Socket type – Lost motion
Patent
1986-03-13
1987-10-27
Bilinsky, Z. R.
Chucks or sockets
Socket type
Lost motion
173 48, 279 62, B23B 3104, B25D 1708
Patent
active
047024852
ABSTRACT:
A drill chuck can be driven by and rotated with a drill spindle. The drill chuck has an axial passage through which the impact effort of a central anvil shaft can be transferred to the drill. The drill can be held in chuck jaws, the movement of which can be controlled by a control sleeve. For connecting the drill chuck at the drill spindle in such a way that they rotate together, there is provided a coupling element and this can allow an axial displacement of the drill chuck at the drill spindle. This mode can be turned off, or on, by use of a locking mechanism and with a coupling ring. The lock mechanism includes a lock element which is axially fixed with respect to the drill spindle, which can be actuated by the coupling ring. The coupling ring can be axially shifted but it can be fixed so as not to rotate. The lock element can be moved into respective recesses arranged circumferentially at the chuck body for precluding axial displacement of the chuck body. The coupling ring has teeth which can engage in matching teeth of the control ring.
REFERENCES:
patent: 2684856 (1954-07-01), Stoner
patent: 3985368 (1976-10-01), Bettes et al.
patent: 4131165 (1978-12-01), Wanner et al.
patent: 4491444 (1985-01-01), Rumpp et al.
Bilinsky Z. R.
Dubno Herbert
Ross Karl F.
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